它因有铅矿而非常出名.It is well known for its lead mines.矿产资源主要以钨矿 、 铅矿 、 锌矿和瓷土矿为主.Mineral resources are mainly tungsten ore, lead ore, zinc, and clay mineral - based.本文研究了硫化钠对方铅矿无捕收剂浮选的影响.Effects of sodium sulfide on collectorles...
His smile predominated his features.他的微笑是他的容貌的重要特色.In his prayers there was one note that always predominated.他的祈祷里有一种始终占优势的基调.Religion predominated in the house.在这所宅地里,宗教居于统治地位....
Azobenzene side - chain liquid crystalline.偶氮苯侧链液晶聚合物.The trans - cis photoisomerization of azobenzene is the basis of photo - responsive properties of many azo - functional materials.偶氮苯的光致顺反异构化是许多偶氮类功能材料光响应的基础.Photoori...